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Finding the Third Proportional to 118,368 and 166,488

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Solution

The third proportional to 118,368 and 166,488 is: 234,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,368 : 166,488 = 166,488 : x
  2. Step 2: Convert to fraction form
    118,368/166,488 = 166,488/x
  3. Step 3: Cross multiply
    118,368x = 166,488 × 166,488
  4. Step 4: Simplify right side
    118,368x = 27,718,254,144
  5. Step 5: Solve for x
    x = 27,718,254,144/118,368
  6. Step 6: Final answer
    x = 234,170.17

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.